.box{
    border: 1px solid #000;
    border-radius: 20px;
    margin-top: 10px;
}
.previous_page{
    height: 30px;
    background-color: #4294FF;
}
.previous_title{
    height: 40px;
    text-align: center;
    line-height: 40px;
}
.iconfont{
    display: inline-block;
    width: 40px;
    height: 30px;
    text-align: center;
    line-height: 30px;
}
.wrap_sports{
    display: flex;
    flex-direction: column;
    align-items: center;
  }